Exam 4: Control of Microorganisms

Because biosafety level 3 (BSL-3) organisms have the potential for aerosol transmission, and diseases with these agents may have serious lethal consequences, all of the following guidelines apply to BSL-3 laboratories except BSL-3 laboratories should:

The chemical or physical method that destroys all forms of life is called:

Laboratory safety includes all the following areas except:

OSHA requires laboratories to have what document to ensure that laboratory personnel have a thorough working knowledge of the hazards of the chemicals with which they work?

The most common iodophor used in the United States for preoperative skin preparation is:

Why is laboratory-acquired infection an obvious hazard for personnel working in a microbiology laboratory?

Standard Precautions do not address which of the following?

Chemosterilizers exert their killing effect through all the following mechanisms except:

This compound is a diphenyl ether, and it exerts its bactericidal effects by disrupting the cell wall.It has good activity against gram-positive cocci, but poor activity against fungi.What is its name?

For the most effective microbial killing, all iodophors must be properly diluted because:

In the LRN program, hospital-based microbiology laboratories are classified as which type of laboratory?

The biosafety levels were categorized using all the following criteria except:

What disinfectants are cationic, surface-activated agents that work by reducing the surface tension of molecules in a liquid, resulting in the disruption of the cellular membrane of microbes?

Disinfectants containing heavy metal compounds have been replaced as disinfectants, except for _____, which is still used as a prophylactic treatment in newborns to prevent gonococcal conjunctivitis.

Which agency regulates the use, sale, and distribution of antimicrobial pesticide products for certain inanimate, hard, nonporous surfaces, or incorporated into substances under the pesticide law?

Three levels of laboratories outlined in the Laboratory Response Network (LRN) include all the following except:

Most institutions use the RACE acronym to respond to a fire emergency.RACE stands for:

Engineering controls and work practice controls to ensure Standard Precautions are followed include all the following except:

Which organization regulates chemical skin antiseptics?

Disinfectants are usually used at temperatures of: